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Marcus KoesterMK

Marcus Koester

Administrative Support & Travel Organization

€200/day
Marsberg, DE
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Marcus

I offer administrative support and document management for freelancers and small businesses. My tasks include systematically pre-sorting accounting documents, general office organization, and researching and preparing business trips. The goal is to provide efficient and discreet relief in everyday administrative tasks.
  • German

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Lotse28
    Owner / Freelancer for Office Assistance & Document Management
    CONSULTING AND AUDITS
    January 2026 - Today (5 months)
    Marsberg, Germany
    I offer administrative support and document management for freelancers and small businesses. My tasks include systematically pre-sorting accounting documents, general office organization, and researching and preparing business trips. The goal is to provide efficient and discreet relief in everyday administrative tasks.
    Travel Management Office Management administrative support Backoffice Services
  • debitel Mobilfunk
    Senior Branch Manager
    TELECOMMUNICATIONS
    June 2003 - March 2008 (4 years and 9 months)
    Göttingen, Germany
    Deputy branch management with a focus on acquiring private and business clients, managing acquired clients, back office management, customer loyalty management, advising on complementary services in telecommunications, brand management, inventory management and ordering, shop decoration.
    Acquisition Backoffice Telephone Customer Support Customer Support Office Management
  • dug Telecom
    Branch Manager
    TELECOMMUNICATIONS
    March 2008 - October 2008 (7 months)
    Korbach, Germany
    Independent management of a branch with two employees, acquisition and support of business clients, initiation and execution of advertising measures and sales increase measures, back office management, personnel responsibility, budget responsibility, disciplinary responsibility.

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